【单选题】Hepatitis is a disease characterized by inflammation of and injury to the liver. The disease has many causes, including misuse of alcohol and drugs, but viruses are the most common cause. Researchers ...
A.
Scientists do not know exactly why Hepatitis develops.
B.
Hepatitis A often breaks out in filthy places where food and water are easily contaminated.
C.
Symptoms of hepatitis include languor, loss of appetite, distress of the stomach, and yellowness of urine.
D.
Hepatitis B is the best-known form. of viral hepatitis.
E.
The chronic hepatitis lasts a long time and is most likely to recur.
F.
People should pay attention to public environment for the preservation of health. Paragraph 2______.
【简答题】In a society such as the United States or Canada, which has many national, religious and cultural differences, people highly value individualism--the differences among people. Teachers place a lot of ...
【单选题】Eating Meat—Less or More? Every second in the United States alone, more than 250 animals are slaughtered for food, adding up to more than 8 billion animals each year. Reducing the amount of meat in on...
A.
They feel that eating animals is unethical.
B.
There are fewer livestock available due to the environmental pollution.
C.
The consumption of meat will lead to financial problem.
D.
Being a vegetarian is beneficial to the protection of water.